Grace

 is a Perk in Dauntless. It is a member of the Mobility family of Perks.

Details
Sprinting increases movespeed. At higher levels, converts increased movespeed to attack speed.

Cells
+1  cells are obtained from opening Cores or purchased from The Middleman when available; higher levels of cell can be made though fusing at The Middleman.

+1 Cell +2 Cell +3 Cell